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Initiate concrete execution if a wrapper method is missing #392

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Merged
merged 1 commit into from
Jul 4, 2022
Merged

Initiate concrete execution if a wrapper method is missing #392

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14 changes: 10 additions & 4 deletions utbot-framework/src/main/kotlin/org/utbot/engine/CollectionWrappers.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ import org.utbot.engine.overrides.collections.UtHashSet
import org.utbot.engine.overrides.collections.UtLinkedList
import org.utbot.engine.pc.UtAddrExpression
import org.utbot.engine.pc.UtExpression
import org.utbot.engine.pc.UtFalse
import org.utbot.engine.pc.select
import org.utbot.engine.symbolic.asHardConstraint
import org.utbot.engine.z3.intValue
Expand Down Expand Up @@ -84,10 +85,15 @@ abstract class BaseOverriddenWrapper(protected val overriddenClassName: String)

val overriddenMethod = overriddenClass.findMethodOrNull(method.subSignature)

val jimpleBody = overriddenMethod?.jimpleBody() ?: method.jimpleBody()
val graphResult = GraphResult(jimpleBody.graph())

return listOf(graphResult)
if (overriddenMethod == null) {
// No overridden method has been found, switch to concrete execution
pathLogger.warn("Method ${overriddenClass.name}::${method.subSignature} not found, executing concretely")
return emptyList()
} else {
val jimpleBody = overriddenMethod.jimpleBody()
val graphResult = GraphResult(jimpleBody.graph())
return listOf(graphResult)
}
}
}

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5 changes: 5 additions & 0 deletions utbot-framework/src/main/kotlin/org/utbot/engine/UtBotSymbolicEngine.kt
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Expand Up @@ -3079,6 +3079,11 @@ class UtBotSymbolicEngine(

instanceAsWrapperOrNull?.run {
val results = invoke(instance as ObjectValue, invocation.method, invocation.parameters)
if (results.isEmpty()) {
// Drop the branch and switch to concrete execution
statesForConcreteExecution += environment.state
queuedSymbolicStateUpdates += UtFalse.asHardConstraint()
}
return OverrideResult(success = true, results)
}

Expand Down